Waec 2023 Biology Practical Solution Expo

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Waec 2023 Biology Practical Solution Expo

Schedule Time;
Tuesday, 16th May, 2023
Biology 3 (Practical) (Alternative A) – 09:30am – 11:30am (1st Set)

(i) Small in size
(ii) Soft shell
(iii) Pale yellowish

(i) Large in size
(ii) Hard shell
(iii) Brownish

A – Chordata
B – Angiosperm

A -Pisces
B – Aves
C – Mammalia
D – Dicotyledon

It helps in reproduction


(i) Air Space
(ii) Yolk
(iii) Albumen

(i) Respiration
(ii) It provides nutrition
(iii) It serves as reservoir

A – Aquatic
B – Terrestrial
D – Terrestrial

F – Dicotyledon
G – Monocotyledon

F – It has two seed leaves
G – It has one seed leaf

F – Tap root
G – Fibrous root


Petiole – It attracts the leaf to the rachis
Leaflet – For photosynthesis
Midrib – It hold the Vien

(i) It serves as cover crop
(ii) It serves as food to livestocks
(iii) It prevent erosion

(i) Possession of node
(ii) Possession of adventitious root
(iii) Possession of scale leaf
(iv) Possession of internode

For reproduction

L – Hesperidium
M – Drupe
N – Berry

L – Perennial
M – Perennial
N – Annual


(i) Round and small in size
(ii) Axile placentation
(iii) Yellowish in colour
(iv) Succulent

(i) Large and elongated
(ii) Parietal placentation
(iii) Brownish in colour
(iv) Hard


(i) Yellow in colour
(ii) Big in size

(i) Reddish in colour
(ii) Small in size

(i) They both have axile placentation
(ii) Both have mesocarp
(iii) Both have seed


(i) Disposal by seed
(ii) Axile

It serve as food

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